Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o recorde para o método Ko (chute na cabeça)?
 ###Tabelas: CREATE TABLE mixed_martial_arts_record (mixed_martial_arts_record_id AUTO_INCREMENT PRIMARY KEY, Res. VARCHAR, Record VARCHAR, Opponent VARCHAR, Method VARCHAR, Event VARCHAR, Round INT, Time VARCHAR, Location VARCHAR) CREATE TABLE homologs (homologs_id AUTO_INCREMENT PRIMARY KEY, Genus/Species VARCHAR, Gene Name VARCHAR, Accession number VARCHAR, Sequence Length VARCHAR, Sequence similarity INT) CREATE TABLE season_2:_1998 (season_2:_1998_id AUTO_INCREMENT PRIMARY KEY, Episode # VARCHAR, Title VARCHAR, Directed by VARCHAR, Written by VARCHAR, Original airdate VARCHAR) CREATE TABLE south_dakota_counties_by_per_capita_income (south_dakota_counties_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE group_ii (group_ii_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Played INT, Points INT, Wins INT, Draws INT, Losses INT, Goals for INT, Goals against INT, Goal Difference INT)  
SELECT Record FROM mixed_martial_arts_record WHERE Method = ko (head kick)